Import protocol crate from session-sharing-server repo.

.github/dependabot.yml

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+# Please see the documentation for all configuration options:
+# https://docs.github.com/en/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  - package-ecosystem: "cargo"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    reviewers:
+      - "warpdotdev/tech-leads"
+    # Only send security updates, not general version updates.
+    open-pull-requests-limit: 0
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    reviewers:
+      - "warpdotdev/tech-leads"
+    cooldown:
+      # Don't update to any action release that is less than two weeks old.
+      default-days: 14
+    groups:
+      # Group all non-major updates of official actions together - they're lower-risk.
+      official-actions:
+        applies-to: version-updates
+        patterns:
+          - "actions/*"
+        update-types:
+          - "minor"
+          - "patch"
+      # Group all non-major updates of Namespace actions together - they're lower-risk.
+      namespace-actions:
+        applies-to: version-updates
+        patterns:
+          - "namespacelabs/*"
+          - "namespace-actions/*"
+        update-types:
+          - "minor"
+          - "patch"

.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  ci:
+    name: CI
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+
+    - name: Setup SSH keys for private crates
+      uses: webfactory/ssh-agent@e83874834305fe9a4a2997156cb26c5de65a8555 # v0.10.0
+      with:
+        ssh-private-key: ${{ secrets.WARP_MACHINE_USER_SSH_PRIVATE_KEY }}
+
+    - name: Run cargo fmt
+      run: cargo fmt --check
+
+    - name: Run cargo clippy
+      run: cargo clippy --all-targets --all-features -- -D warnings
+
+    - name: Install cargo nextest
+      uses: taiki-e/install-action@055f5df8c3f65ea01cd41e9dc855becd88953486 # v2.75.18
+      with:
+        tool: nextest
+
+    - name: Run tests
+      run: cargo nextest run --workspace --no-tests=warn

.gitignore

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+/target
+
+# IDE things
+.idea/*
+
+# DS_STORE
+.DS_STORE